87389260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{624209}}^1$

素因数の和:624225

約数の個数: 24

約数和(自身を含む): 209734560

約数和(自身を除く): 122345300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 624209, 1248418, 2496836, 3121045, 4369463, 6242090, 8738926, 12484180, 17477852, 21847315, 43694630, 87389260]

約数ペア:

[(1, 87389260), (2, 43694630), (4, 21847315), (5, 17477852), (7, 12484180), (10, 8738926), (14, 6242090), (20, 4369463), (28, 3121045), (35, 2496836), (70, 1248418), (140, 624209)]